SD
Sarah Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Iowa
Our Model Tree links this Sarah Davis across the 1920, 1930 and 1940 US Censuses in Washington-County, Iowa (XGBoost, ~Confirmed), with identified parents Bess & Lois — first a daughter (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Iowa |
| Surname | Davis |
| Given Name | Sarah M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Washington City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Typist |
| Industry | High S. Office |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Typist |
| Township / Ward | Washington City |
| Est. Birth Year | ~1916 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| Sarah Davis | Daughter | — | 24 | ~1916 |
| Don Davis | Head | — | 51 | ~1889 |
| Lois Davis | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Washington, Iowa
Daughter, age 4
Washington, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Washington, Iowa
Daughter, age 14
Washington, Iowa · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Sarah M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Washington-County, Iowa
Daughter, age 24
Washington-County, Iowa · implied b. ~1916 — 3 household members
| Surname | Davis |
| Given Name | Sarah M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Washington City |
| 1935 Residence (County) | Washington |
| Occupation | Typist |
| Industry | High S. Office |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 0 |
| Highest Grade | C 5 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Sarah Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Bess Davis (~0.92 confidence) and mother Lois Davis (~0.92 confidence) and mother Jose Davis (~0.92 confidence) and father Donald Davis (~0.92 confidence) and father Don Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Bess Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Lois Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Jose Davis
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Donald Davis
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Don Davis
b. ~1889
Source father
● Household
· direct · ~0.92
This person
Anchor record
Sarah Davis
Daughter · 1940 · age 24 · b. ~1916 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Washington-County, Iowa
Open full size
1940 US Federal Census — Washington-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01211-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha E. Nicola | 49 | Head | Seamstress | Iowa |
| 2 | Robert J. Nicola | 15 | Son | Carrier | Iowa |
| 3 | Jack D. Jackson | 9 | Grandson | — | Iowa |
| 4 | Lucy L. Mcarter | 64 | Head | Chicken Picker | Iowa |
| 5 | Willie E. Mcarter | 23 | Son | Shell Sorter | Iowa |
| 6 | Henry H. Taylor | 72 | Head | — | Ohio |
| 7 | Maurice Taylor | 39 | Son | Farm Hand | Iowa |
| 8 | Robert W. Taylor | 15 | Grandson | — | Iowa |
| 9 | Clyde A. Prall | 51 | Head | Traveling Salesman | Iowa |
| 10 | Anne Prall | 41 | Wife | — | Iowa |
| 11 | Clarence L. Harland | 30 | Head | Truck Driver | Illinois |
| 12 | Velda D. Harland | 27 | Wife | — | Iowa |
| 13 | Ray A. Harland | 8 | Son | — | Iowa |
| 14 | Donald D. Harland | 6 | Son | — | Iowa |
| 15 | James L. Harland | 5 | Son | — | Iowa |
| 16 | Jon D. Harland | 3 | Son | — | Iowa |
| 17 | Don L. Davis | 51 | Head | Dentist | Iowa |
| 18 | Lois S. Davis | 58 | Wife | — | Iowa |
| 19 | Sarah M. Davis THIS PERSON | 24 | Daughter | Typist | Iowa |
| 20 | Wilson W. Bear | 79 | Head | — | Indiana |
| 21 | Jennie B. Bear | 78 | Wife | — | Ohio |
| 22 | Fannie T. Gilbert | 52 | Daughter | Dentist'S Assistant | Illinois |
| 23 | James Gilbert | 52 | Grandson | Interior Decorator | Kentucky |
| 24 | William L. Swift | 53 | Head | Bookkeeper | Iowa |
| 25 | Luella B. Swift | 47 | Wife | Night Nurse | Illinois |
| 26 | Harold J. Hayes | 44 | Head | Creamery Manager | Iowa |
| 27 | Ester M. Hayes | 41 | Wife | — | Iowa |
| 28 | Francis W. Hayes | 21 | Daughter | — | Iowa |
| 29 | Robert W. Hayes | 7 | Son | — | Iowa |
| 30 | Janet L. Hayes | 5 | Daughter | — | Iowa |
| 31 | Ted R. Crone | 41 | Head | Meat Cutter | Iowa |
| 32 | Pauline V. Crone | 39 | Wife | — | Illinois |
| 33 | Donna J. Crone | 8 | Daughter | — | Iowa |
| 34 | Lena R. Stewart | 33 | Head | Deputy Clerk | Missouri |
| 35 | Elizabeth Casper | 71 | Head | — | Iowa |
| 36 | Ernest G. Sandbloom | 77 | Head | — | Iowa |
| 37 | Sina A. Sandbloom | 67 | Wife | — | Sweden |
| 38 | Dean B. Boatwright | 27 | Head | Laborer | Iowa |
| 39 | Opal R. Boatwright | 17 | Wife | — | Iowa |
| 40 | George L. Fetter | 60 | Head | Maintenance Operator | Iowa |
Pedigree Summary
Sarah
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)